Home / 58,156.06-87,234.10-18,716.25

Finding the Fourth Proportional to 58,156.06, 87,234.10 and 18,716.25

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Solution

The fourth proportional to 58,156.06, 87,234.10 and 18,716.25 is: 28,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,156.06 : 87,234.10 = 18,716.25 : x
  2. Step 2: Convert to fraction form
    58,156.06/87,234.10 = 18,716.25/x
  3. Step 3: Cross multiply
    58,156.06x = 87,234.10 × 18,716.25
  4. Step 4: Simplify right side
    58,156.06x = 1,632,695,224.13
  5. Step 5: Solve for x
    x = 1,632,695,224.13/58,156.06
  6. Step 6: Final answer
    x = 28,074.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.